558 



INDEX. 



M 



H. 



M. 



U 



M. 



H. 



U. 



iff 



H. 



H 



M. 



M 



M 



H. 



H. 



II 



M? 



it. 



U. 



u. 



H. 

 M 

 M. 

 M. 

 If. 

 M. 

 H. 

 M. 

 K. 



mUer, 



PAOE. 

 Modlomorpha afflnlx. Bait, ..... M4 

 M. ulla. ^CoHrad) HnU. 274, 276, 277, »78, 280, «4, «5 



irr am^gdaibia, IWinchcll) H»ll. 291. 495, 496, 497, 501 



angastaU, ( Vanuxem) S A. 



arouata. Ball, . 



Catskillcnsis, Vunuxem, 



Clarens, Ball, . 



complanata, Ball, 



conoentrica, (Conrtut\ Ball, 



cj'mbula. Ball, 



h^tdta. Hall, 

 hyalea. Ball. . 

 linfruirormis. Ball, 

 macilenta, BaU, 

 mytiloides, Ball, . 



neglecta, Ball, 

 peroTBla, [Jteek ^ WotHien) 

 perovata. Ball, 

 planulata. Hall, . 

 ponderosa, BaU, 

 pondtroM, Hall, . 

 putlllns. Ban, , 

 quadmla. Ball, 

 recta. Ball, 

 recarva, BaU, 

 retrnlaris, 

 riglda, BaU, 

 Schoharie, Ball, 

 subalatn, iConrad) Ball, 



516 

 . 881 



51« 



270, 873 

 270, 878,274, 277 



xxiii, a7«, 277, 2S1 

 275, 888 

 . 292, 502, 60S 

 . 808 

 874, 28^; 

 . 27S, 274, 279, 28(1 

 xxiil, 870, 274, S78, 877, 279, 280 

 285, 292 



271, 890 

 BaU, . 272,273, 274 



. 273 



277 



. 871 



271 



. 871 



889 



. 886 



388 



. 870, 282 



284, 887 



869,270,274, 275 



883,286,287,288, 289 



subalata, rar. Cheniunfrensls, Ball, 



sobangulata, Batt, 



Tlcign, BaU, .... 



884,288, 291 



287 



. 291, 29;1 



MOHOMTARIA, ...... xvii 



MONOTIS, . .425 



M. elevata, Conrad, .... 417, 425 



jr. PouUonI, Conrad, . .425 



Jf. prineepi, Conrad, . 1, 4 



M. radians, (Conrad) S. A. MUUr, .422 



MrA, ....... xxxi 



MtTILARCA, HiiB, (xlT) 253, 262, 266 



Jr. arenaeea. Hall, ..... 2.^t 



H. attennatA, Batt, ..... 200 



M. carinata. Ball, .... 2.58, 869, 2fil 



Chemun(cen8ii». ( C'onr. ) B , 2.57. 2158, 2.59, 261 , 262, 2W 

 fibristriata. I IThUe <f WhUJIeld) BaU, . 264 



gibbooa, Batt, ..... 868 



lata, Batt, ...... 868 



occldentalis, ( Whit* <f WhUfield) BaU, 259, 863, 264 



U. 

 M. 

 M. 

 H. 

 H. 



jr. 

 jr. 



M. 

 JT 

 M 

 M 



jr 



H. 

 M. 



jr. 



M. 

 M. 

 H. 

 M. 



ovIformU, (Conrad) Hall, . . . 2.^5 



ponderosa. Hall, ..... 264 

 prramidata, Batt, ..... 856 

 radiata. Hall, ..... 2.52 



reKularis, Batt, . 860, 262, 283 



simplex, Batt, ..... 861 

 triquettr. (Conrad) Ifall, .265 



nmbonata, BaU, ..... 857 

 (Plethomytilns) arenaeea, Batt, . . 853, 2.54 



iP. ) eordiformU, Hall, 254 



(P. ) Knappi, Batt, . . . 856 



(P. ) mytilimera, Conrad, . 2.54 



(P. ) orata, BaU, .254 



(P. ) OTlfonnls, Boa, . 866, 250, 26S 



